./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0981.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0981.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32b42038ead14abdb9d9a10a891c0ac1f232f4f2a6f46102e269b55a9fecf70e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 12:03:01,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 12:03:01,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 12:03:01,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 12:03:01,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 12:03:01,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 12:03:01,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 12:03:01,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 12:03:01,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 12:03:01,227 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 12:03:01,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 12:03:01,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 12:03:01,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 12:03:01,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 12:03:01,228 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 12:03:01,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 12:03:01,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 12:03:01,228 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 12:03:01,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 12:03:01,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 12:03:01,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 12:03:01,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 12:03:01,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 12:03:01,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 12:03:01,230 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 12:03:01,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 12:03:01,230 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 12:03:01,230 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 12:03:01,230 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 12:03:01,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 12:03:01,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 12:03:01,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 12:03:01,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:03:01,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 12:03:01,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 12:03:01,231 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 12:03:01,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 12:03:01,231 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 12:03:01,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 12:03:01,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 12:03:01,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 12:03:01,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 12:03:01,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 12:03:01,232 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32b42038ead14abdb9d9a10a891c0ac1f232f4f2a6f46102e269b55a9fecf70e [2025-03-03 12:03:01,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 12:03:01,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 12:03:01,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 12:03:01,458 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 12:03:01,459 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 12:03:01,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2025-03-03 12:03:02,561 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddf80dd3/ac79b1cf943f4a02a18b726d97534a12/FLAGe21c60604 [2025-03-03 12:03:02,821 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 12:03:02,822 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2025-03-03 12:03:02,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddf80dd3/ac79b1cf943f4a02a18b726d97534a12/FLAGe21c60604 [2025-03-03 12:03:02,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddf80dd3/ac79b1cf943f4a02a18b726d97534a12 [2025-03-03 12:03:02,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 12:03:02,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 12:03:02,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 12:03:02,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 12:03:02,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 12:03:02,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:03:02" (1/1) ... [2025-03-03 12:03:02,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4dacf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:02, skipping insertion in model container [2025-03-03 12:03:02,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:03:02" (1/1) ... [2025-03-03 12:03:02,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 12:03:03,020 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0981.c[4209,4222] [2025-03-03 12:03:03,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:03:03,029 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 12:03:03,067 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0981.c[4209,4222] [2025-03-03 12:03:03,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:03:03,084 INFO L204 MainTranslator]: Completed translation [2025-03-03 12:03:03,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03 WrapperNode [2025-03-03 12:03:03,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 12:03:03,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 12:03:03,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 12:03:03,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 12:03:03,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,125 INFO L138 Inliner]: procedures = 17, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 274 [2025-03-03 12:03:03,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 12:03:03,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 12:03:03,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 12:03:03,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 12:03:03,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,141 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,163 INFO L175 MemorySlicer]: Split 16 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1]. [2025-03-03 12:03:03,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 12:03:03,187 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 12:03:03,188 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 12:03:03,188 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 12:03:03,188 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (1/1) ... [2025-03-03 12:03:03,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:03:03,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 12:03:03,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 12:03:03,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 12:03:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 12:03:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 12:03:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 12:03:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-03 12:03:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-03 12:03:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-03 12:03:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-03 12:03:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-03 12:03:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-03 12:03:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 12:03:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 12:03:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-03 12:03:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-03 12:03:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-03 12:03:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-03 12:03:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-03 12:03:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-03 12:03:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-03 12:03:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-03 12:03:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 12:03:03,319 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 12:03:03,321 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 12:03:03,554 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2025-03-03 12:03:03,555 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 12:03:03,579 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 12:03:03,579 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 12:03:03,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:03:03 BoogieIcfgContainer [2025-03-03 12:03:03,579 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 12:03:03,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 12:03:03,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 12:03:03,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 12:03:03,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 12:03:02" (1/3) ... [2025-03-03 12:03:03,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487f05e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:03:03, skipping insertion in model container [2025-03-03 12:03:03,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:03" (2/3) ... [2025-03-03 12:03:03,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487f05e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:03:03, skipping insertion in model container [2025-03-03 12:03:03,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:03:03" (3/3) ... [2025-03-03 12:03:03,588 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981.c [2025-03-03 12:03:03,598 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 12:03:03,599 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0981.c that has 1 procedures, 74 locations, 1 initial locations, 7 loop locations, and 8 error locations. [2025-03-03 12:03:03,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 12:03:03,640 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@22bbb962, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 12:03:03,640 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-03 12:03:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 73 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:03:03,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-03 12:03:03,646 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:03:03,646 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-03 12:03:03,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-03-03 12:03:03,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:03:03,649 INFO L85 PathProgramCache]: Analyzing trace with hash 176721, now seen corresponding path program 1 times [2025-03-03 12:03:03,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 12:03:03,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611585682] [2025-03-03 12:03:03,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:03:03,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 12:03:03,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-03 12:03:03,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-03 12:03:03,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:03:03,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 12:03:03,721 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 12:03:03,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-03 12:03:03,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-03 12:03:03,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:03:03,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 12:03:03,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 12:03:03,755 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 12:03:03,756 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 8 remaining) [2025-03-03 12:03:03,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2025-03-03 12:03:03,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 8 remaining) [2025-03-03 12:03:03,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 8 remaining) [2025-03-03 12:03:03,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 8 remaining) [2025-03-03 12:03:03,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 8 remaining) [2025-03-03 12:03:03,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 8 remaining) [2025-03-03 12:03:03,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 8 remaining) [2025-03-03 12:03:03,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 12:03:03,764 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-03 12:03:03,780 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 12:03:03,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 12:03:03 BoogieIcfgContainer [2025-03-03 12:03:03,785 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 12:03:03,786 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 12:03:03,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 12:03:03,787 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 12:03:03,788 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:03:03" (3/4) ... [2025-03-03 12:03:03,790 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 12:03:03,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 12:03:03,791 INFO L158 Benchmark]: Toolchain (without parser) took 940.69ms. Allocated memory is still 201.3MB. Free memory was 157.7MB in the beginning and 100.3MB in the end (delta: 57.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-03 12:03:03,791 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:03:03,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.43ms. Allocated memory is still 201.3MB. Free memory was 157.3MB in the beginning and 144.0MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 12:03:03,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.60ms. Allocated memory is still 201.3MB. Free memory was 144.0MB in the beginning and 141.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:03:03,793 INFO L158 Benchmark]: Boogie Preprocessor took 57.54ms. Allocated memory is still 201.3MB. Free memory was 141.7MB in the beginning and 138.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:03:03,794 INFO L158 Benchmark]: IcfgBuilder took 391.89ms. Allocated memory is still 201.3MB. Free memory was 138.7MB in the beginning and 114.9MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-03 12:03:03,794 INFO L158 Benchmark]: TraceAbstraction took 204.03ms. Allocated memory is still 201.3MB. Free memory was 114.1MB in the beginning and 100.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 12:03:03,794 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 201.3MB. Free memory was 100.6MB in the beginning and 100.3MB in the end (delta: 365.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:03:03,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 201.3MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.43ms. Allocated memory is still 201.3MB. Free memory was 157.3MB in the beginning and 144.0MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.60ms. Allocated memory is still 201.3MB. Free memory was 144.0MB in the beginning and 141.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.54ms. Allocated memory is still 201.3MB. Free memory was 141.7MB in the beginning and 138.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 391.89ms. Allocated memory is still 201.3MB. Free memory was 138.7MB in the beginning and 114.9MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 204.03ms. Allocated memory is still 201.3MB. Free memory was 114.1MB in the beginning and 100.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 201.3MB. Free memory was 100.6MB in the beginning and 100.3MB in the end (delta: 365.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 111]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 165. Possible FailurePath: [L13-L17] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L19] static const float zero_log = 0.0; [L99-L102] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L104] static const float zero = 0.0; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, zero=0, zero_log=0] [L165] float x = 1.0f / 0.0f; [L166] CALL __ieee754_log10f(x) [L107] float y, z; [L108] __int32_t i, k, hx; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=33554437, zero=0, zero_log=0] [L111] ieee_float_shape_type gf_u; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=33554437, zero=0, zero_log=0] - UnprovableResult [Line: 170]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 149]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 137]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 127]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 12:03:03,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0981.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32b42038ead14abdb9d9a10a891c0ac1f232f4f2a6f46102e269b55a9fecf70e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 12:03:05,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 12:03:05,659 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 12:03:05,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 12:03:05,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 12:03:05,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 12:03:05,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 12:03:05,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 12:03:05,690 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 12:03:05,690 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 12:03:05,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 12:03:05,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 12:03:05,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 12:03:05,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 12:03:05,691 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 12:03:05,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 12:03:05,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 12:03:05,692 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 12:03:05,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 12:03:05,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 12:03:05,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 12:03:05,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 12:03:05,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 12:03:05,693 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 12:03:05,693 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 12:03:05,693 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 12:03:05,693 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 12:03:05,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 12:03:05,693 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 12:03:05,693 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 12:03:05,693 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 12:03:05,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 12:03:05,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 12:03:05,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 12:03:05,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:03:05,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 12:03:05,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 12:03:05,695 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 12:03:05,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 12:03:05,695 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 12:03:05,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 12:03:05,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 12:03:05,695 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 12:03:05,695 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 12:03:05,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 12:03:05,696 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32b42038ead14abdb9d9a10a891c0ac1f232f4f2a6f46102e269b55a9fecf70e [2025-03-03 12:03:05,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 12:03:05,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 12:03:05,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 12:03:05,946 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 12:03:05,946 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 12:03:05,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2025-03-03 12:03:07,146 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee1d0098/32c3bcf6d85746c9a9ef17da1c28e0aa/FLAGb7db20779 [2025-03-03 12:03:07,334 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 12:03:07,334 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2025-03-03 12:03:07,340 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee1d0098/32c3bcf6d85746c9a9ef17da1c28e0aa/FLAGb7db20779 [2025-03-03 12:03:07,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee1d0098/32c3bcf6d85746c9a9ef17da1c28e0aa [2025-03-03 12:03:07,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 12:03:07,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 12:03:07,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 12:03:07,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 12:03:07,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 12:03:07,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e26ea4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07, skipping insertion in model container [2025-03-03 12:03:07,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 12:03:07,546 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0981.c[4209,4222] [2025-03-03 12:03:07,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:03:07,563 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 12:03:07,602 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0981.c[4209,4222] [2025-03-03 12:03:07,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 12:03:07,621 INFO L204 MainTranslator]: Completed translation [2025-03-03 12:03:07,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07 WrapperNode [2025-03-03 12:03:07,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 12:03:07,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 12:03:07,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 12:03:07,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 12:03:07,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,661 INFO L138 Inliner]: procedures = 20, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 218 [2025-03-03 12:03:07,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 12:03:07,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 12:03:07,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 12:03:07,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 12:03:07,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,674 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,688 INFO L175 MemorySlicer]: Split 16 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1]. [2025-03-03 12:03:07,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,708 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 12:03:07,724 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 12:03:07,724 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 12:03:07,725 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 12:03:07,728 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (1/1) ... [2025-03-03 12:03:07,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 12:03:07,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 12:03:07,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 12:03:07,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 12:03:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 12:03:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 12:03:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-03-03 12:03:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 12:03:07,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-03-03 12:03:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 12:03:07,882 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 12:03:07,884 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 12:03:43,137 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2025-03-03 12:03:43,137 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 12:03:43,145 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 12:03:43,154 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 12:03:43,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:03:43 BoogieIcfgContainer [2025-03-03 12:03:43,154 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 12:03:43,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 12:03:43,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 12:03:43,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 12:03:43,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 12:03:07" (1/3) ... [2025-03-03 12:03:43,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d20ceea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:03:43, skipping insertion in model container [2025-03-03 12:03:43,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 12:03:07" (2/3) ... [2025-03-03 12:03:43,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d20ceea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 12:03:43, skipping insertion in model container [2025-03-03 12:03:43,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:03:43" (3/3) ... [2025-03-03 12:03:43,173 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981.c [2025-03-03 12:03:43,184 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 12:03:43,186 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0981.c that has 1 procedures, 47 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-03-03 12:03:43,268 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 12:03:43,279 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15dd8d80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 12:03:43,280 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 12:03:43,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:03:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-03 12:03:43,289 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:03:43,289 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:03:43,289 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:03:43,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:03:43,293 INFO L85 PathProgramCache]: Analyzing trace with hash 985567866, now seen corresponding path program 1 times [2025-03-03 12:03:43,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:03:43,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360248257] [2025-03-03 12:03:43,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:03:43,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 12:03:43,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:03:43,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 12:03:43,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-03 12:03:43,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-03 12:03:43,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-03 12:03:43,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:03:43,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:03:43,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 12:03:43,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:03:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:03:43,856 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:03:43,856 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:03:43,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360248257] [2025-03-03 12:03:43,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360248257] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:03:43,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:03:43,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 12:03:43,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409295893] [2025-03-03 12:03:43,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:03:43,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 12:03:43,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:03:43,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 12:03:43,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 12:03:43,905 INFO L87 Difference]: Start difference. First operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:03:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:03:43,928 INFO L93 Difference]: Finished difference Result 92 states and 150 transitions. [2025-03-03 12:03:43,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 12:03:43,929 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-03 12:03:43,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:03:43,935 INFO L225 Difference]: With dead ends: 92 [2025-03-03 12:03:43,937 INFO L226 Difference]: Without dead ends: 44 [2025-03-03 12:03:43,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 12:03:43,947 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 12:03:43,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 12:03:43,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2025-03-03 12:03:43,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2025-03-03 12:03:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:03:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2025-03-03 12:03:43,987 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2025-03-03 12:03:43,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:03:43,987 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2025-03-03 12:03:43,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:03:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2025-03-03 12:03:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-03 12:03:43,987 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:03:43,988 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:03:44,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-03-03 12:03:44,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 12:03:44,189 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:03:44,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:03:44,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1123113647, now seen corresponding path program 1 times [2025-03-03 12:03:44,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:03:44,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122560631] [2025-03-03 12:03:44,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:03:44,192 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 12:03:44,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:03:44,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 12:03:44,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-03 12:03:44,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-03 12:03:44,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-03 12:03:44,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:03:44,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:03:44,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-03 12:03:44,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:03:45,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:03:45,161 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:03:45,162 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:03:45,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122560631] [2025-03-03 12:03:45,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2122560631] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:03:45,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:03:45,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 12:03:45,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951968291] [2025-03-03 12:03:45,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:03:45,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 12:03:45,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:03:45,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 12:03:45,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 12:03:45,168 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:03:45,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:03:45,489 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2025-03-03 12:03:45,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 12:03:45,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-03-03 12:03:45,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:03:45,490 INFO L225 Difference]: With dead ends: 52 [2025-03-03 12:03:45,490 INFO L226 Difference]: Without dead ends: 16 [2025-03-03 12:03:45,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-03 12:03:45,491 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 12:03:45,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 25 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 12:03:45,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-03-03 12:03:45,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-03-03 12:03:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:03:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2025-03-03 12:03:45,493 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2025-03-03 12:03:45,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:03:45,493 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2025-03-03 12:03:45,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:03:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2025-03-03 12:03:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-03 12:03:45,493 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 12:03:45,493 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 12:03:45,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-03 12:03:45,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 12:03:45,694 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 12:03:45,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 12:03:45,695 INFO L85 PathProgramCache]: Analyzing trace with hash -13875054, now seen corresponding path program 1 times [2025-03-03 12:03:45,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 12:03:45,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206330079] [2025-03-03 12:03:45,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 12:03:45,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 12:03:45,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 12:03:45,699 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-03 12:03:45,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-03-03 12:03:45,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-03 12:03:46,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-03 12:03:46,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 12:03:46,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 12:03:46,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-03 12:03:46,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 12:03:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 12:03:47,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 12:03:47,423 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 12:03:47,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206330079] [2025-03-03 12:03:47,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206330079] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 12:03:47,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 12:03:47,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-03 12:03:47,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340895468] [2025-03-03 12:03:47,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 12:03:47,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 12:03:47,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 12:03:47,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 12:03:47,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-03 12:03:47,425 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:03:48,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 12:03:48,676 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2025-03-03 12:03:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-03 12:03:48,676 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-03-03 12:03:48,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 12:03:48,677 INFO L225 Difference]: With dead ends: 16 [2025-03-03 12:03:48,677 INFO L226 Difference]: Without dead ends: 0 [2025-03-03 12:03:48,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2025-03-03 12:03:48,678 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 9 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-03 12:03:48,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 35 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-03 12:03:48,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-03 12:03:48,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-03 12:03:48,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:03:48,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-03 12:03:48,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2025-03-03 12:03:48,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 12:03:48,679 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-03 12:03:48,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 12:03:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-03 12:03:48,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-03 12:03:48,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 12:03:48,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-03-03 12:03:48,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-03 12:03:48,888 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-03 12:03:48,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-03 12:03:49,172 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 12:03:49,185 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:03:49,186 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:03:49,186 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-03 12:03:49,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-03-03 12:03:49,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-03 12:03:49,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-03-03 12:03:49,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 12:03:49 BoogieIcfgContainer [2025-03-03 12:03:49,188 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 12:03:49,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 12:03:49,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 12:03:49,191 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 12:03:49,191 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 12:03:43" (3/4) ... [2025-03-03 12:03:49,192 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-03 12:03:49,201 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2025-03-03 12:03:49,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-03-03 12:03:49,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-03 12:03:49,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-03 12:03:49,305 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-03 12:03:49,305 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-03 12:03:49,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 12:03:49,306 INFO L158 Benchmark]: Toolchain (without parser) took 41948.54ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 77.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2025-03-03 12:03:49,307 INFO L158 Benchmark]: CDTParser took 1.61ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 61.4MB in the end (delta: 18.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:03:49,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.18ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 76.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 12:03:49,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.15ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:03:49,307 INFO L158 Benchmark]: Boogie Preprocessor took 58.90ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 71.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:03:49,308 INFO L158 Benchmark]: IcfgBuilder took 35429.86ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 49.2MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-03 12:03:49,308 INFO L158 Benchmark]: TraceAbstraction took 6027.90ms. Allocated memory is still 117.4MB. Free memory was 48.7MB in the beginning and 84.4MB in the end (delta: -35.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 12:03:49,308 INFO L158 Benchmark]: Witness Printer took 114.77ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 77.0MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 12:03:49,309 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.61ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 61.4MB in the end (delta: 18.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.18ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 76.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.15ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.90ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 71.1MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 35429.86ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 49.2MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6027.90ms. Allocated memory is still 117.4MB. Free memory was 48.7MB in the beginning and 84.4MB in the end (delta: -35.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 114.77ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 77.0MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 170]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 78 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 4 QuantifiedInterpolants, 230 SizeOfPredicates, 6 NumberOfNonLiveVariables, 185 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 41]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 126]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 25]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 50]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 136]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-03-03 12:03:49,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE